def test_dump_environment(prepare_environment_for_tests, tmpdir):
test_paths = '/a:/b/x:/b/c'
os.environ['TEST_ENV_VAR'] = test_paths
dumpfile_path = str(tmpdir.join('envdump.txt'))
envutil.dump_environment(dumpfile_path)
with open(dumpfile_path, 'r') as dumpfile:
assert('TEST_ENV_VAR={0}; export TEST_ENV_VAR\n'.format(test_paths)
in list(dumpfile))
def create_env_files(env_dir, environment):
filesystem.mkdirp(env_dir)
# Write a human-readable file.
with open(os.path.join(env_dir, 'env.txt'), 'w') as outfile:
for var, value in sorted(environment.iteritems()):
outfile.write('{0}={1}\n'.format(var, value))
# Write a source-able file.
dump_environment(os.path.join(env_dir, 'env.sh'), environment)
# Write a pickled file.
pickle_environment(os.path.join(env_dir, 'env.pickle'), environment)
def emulate_env_utility(cmd_name, context, args):
if not args.spec:
tty.die("spack %s requires a spec." % cmd_name)
# Specs may have spaces in them, so if they do, require that the
# caller put a '--' between the spec and the command to be
# executed. If there is no '--', assume that the spec is the
# first argument.
sep = '--'
if sep in args.spec:
s = args.spec.index(sep)
spec = args.spec[:s]
cmd = args.spec[s + 1:]
else:
spec = args.spec[0]
cmd = args.spec[1:]
if not spec:
tty.die("spack %s requires a spec." % cmd_name)
specs = spack.cmd.parse_specs(spec, concretize=False)
if len(specs) > 1:
tty.die("spack %s only takes one spec." % cmd_name)
spec = specs[0]
spec = spack.cmd.matching_spec_from_env(spec)
build_environment.setup_package(spec.package, args.dirty, context)
if args.dump:
# Dump a source-able environment to a text file.
tty.msg("Dumping a source-able environment to {0}".format(args.dump))
dump_environment(args.dump)
if args.pickle:
# Dump a source-able environment to a pickle file.
tty.msg("Pickling a source-able environment to {0}".format(
args.pickle))
pickle_environment(args.pickle)
if cmd:
# Execute the command with the new environment
os.execvp(cmd[0], cmd)
elif not bool(args.pickle or args.dump):
# If no command or dump/pickle option then act like the "env" command
# and print out env vars.
for key, val in os.environ.items():
print("%s=%s" % (key, val))
